Humminbird AS GR4 Track Min Distance, Delete All Nav Data, Alarms Menu Tab Map Datum, Advanced

Track Min Distance

(Advanced)

Track Min Distance allows you to set a minimum distance of travel before a trackpoint is added to the track.

NOTE: Track Min Distance works in conjunction with Trackpoint Interval. Both conditions must be met before a trackpoint is added to the current track.

NOTE: See Setup Menu Tab: User Mode in your Matrix Fishing System Operations manual.

To change the Track Minimum Distance setting:

1.	Make sure you are in Advanced User Mode, then highlight Track Min Distance on the
	Navigation main menu.
2.	Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Track Min Distance setting.
	(1 to 300 feet or 1 to 100 meters [International Units Only], Default = 16 ft, 5 m)

Delete All Nav Data

(Advanced)

Delete All Nav Data allows you to delete all saved Tracks and Waypoints. This menu choice should be used with caution.

NOTE: See Setup Menu Tab: User Mode in your Matrix Fishing System Operations manual.

To Delete All Navigation Data:

1.Make sure you are in Advanced User Mode, then highlight Delete All Nav Data on the Navigation main menu.

2.Use the RIGHT 4-WAY Cursor Control key to delete all navigation data.

Alarms Menu Tab

NOTE: During slow travel or drift, setting both Trackpoint Interval and Track Min Distance to small values will allow you to increase the track resolution.

Map Datum

(Advanced)

Map Datum allows you to change the map coordinate system used by the Matrix Fishing System to match those of a paper map.

NOTE: See Setup Menu Tab: User Mode in your Matrix Fishing System Operations manual.

To change the Map Datum setting:

1.Make sure you are in Advanced User Mode, then highlight Map Datum on the Navigation main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Map Datum setting. (Default = WGS 84)

Alarms Menu

From any view, press the MENU key twice to access the Main Menu System. The Alarms tab will be the default selection.

NOTE: When an alarm is triggered, you can silence it by pressing any key. The alarm will be silenced, and will not be triggered again until a new instance of the alarm condition is detected.

The following menu choices will be added to your Alarms Menu Tab when a Handheld GPS is connected to the Matrix Fishing System:

•Off Course Alarm

•Arrival Alarm

•Drift Alarm.

See your Matrix Fishing System Operations Manual for information on the standard Alarm Menu choices.

Off Course Alarm

Off Course Alarm sounds when the boat has moved too far off course based on the menu setting when navigating. Off Course Alarm allows you to set how far the boat is allowed to move off course before the Off Course Alarm will sound.

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